Friday, January 1, 2010

PLC Omron Programming for Process Automation For Water Treatment




PLC Type Series-C Omron , Name Input / Output PLC :

INPUT PLC :
0000 ; Switch ON / OFF (No.14).
0001 ; OK from Clean Water Sensor in Water Tank 1 (No.08).
0002 ; NG from Clean Water Sensor in Water Tank 1 (No.08).
0003 ; OK from Clean Water Sensor in Water Tank 2 (No.13).
0004 ; NG from Clean Water Sensor in Water Tank 2 (No.13).
0005 ; FULL from Water Level Sensor in Tank 1 (No.09).
0006 ; EMPTY from Water Level Sensor in Tank 1 (No.09).
0007 ; FULL from Water Level Sensor in Tank 2 (No.12).
0008 ; EMPTY from Water Level Sensor in Tank 2 (No.12).

OUTPUT PLC :
0500 ; Valve to the Source of Dirty Water (No.01).
0501 ; Valve to Get Water From Water Tank 2 (No.02).
0502 ; Valve to Get Water From Water Tank 1 (No.03).
0503 ; Water Pump (No.04).
0504 ; Valve for the Water to Water Tank 1 (No.06).
0505 ; Valve for the Water to Water Tank 2 (No.07).



Please Download Picture Programming Ladder PLC :

PLC Omron Programming for Process Automation For Water Treatment



Reading Ladder PLC Programming for Process Automation For Water Treatment :

Step 1 : Process 1
a.If 0000 = ON Then 1000 = Momentary ON ( Diff. Up).
b.If 0000 = ON And 1000 = ON And 1002 = OFF And 1003 = OFF Then 1001 = ON ( Hold ON ).
c.If 0000 = ON And 1001 = ON And 0005 = ON And 0001 = ON Then SET 1002 = ON ( Hold ON ).
d.If 0000 = ON And 1001 = ON And 0005 = ON And 0002 = ON Then SET 1003 = ON ( Hold ON ).
e.If 0000 = OFF Then RES 1002 = ON ( 1002 = OFF ) And RES 1003 = ON ( 1003 = OFF ).

Step 2 : Process 2 And 3
PROCESS 2 :
a.If 0000 = ON And 1003 = ON And 0002 = ON And 1005 = OFF And 1006 = OFF Then 1004 = ON ( Hold ON ).
b.If 0000 = ON And 1003 = ON And 1004 = ON And 0007 = ON Or 0006 = ON And 0003 = ON Then SET 1005 = ON ( Hold ON ).
c.If 0000 = ON And 1003 = ON And 1004 = ON And 0007 = ON Or 0006 = ON And 0004 = ON Then SET 1006 = ON ( Hold ON ).
PROCESS 3 :
d.If 0000 = ON And 1003 = ON And 1006 = ON And 0004 = ON And 1008 = OFF And 1009= OFF Then 1007 = ON ( Hold ON ).
e.If 0000 = ON And 1003 = ON And 1006 = ON And 1007 = ON And 0005 = ON Or 0008 = ON And 0001 = ON Then SET 1008 = ON ( Hold ON ).
f.If 0000 = ON And 1003 = ON And 1006 = ON And 1007 = ON And 0005 = ON Or 0008 = ON And 0002 = ON Then SET 1009 = ON ( Hold ON ).
g.If 0000 = OFF Then RES 1005 = ON ( 1005 = OFF ) And RES 1006 = ON ( 1006 = OFF ) And RES 1008 = ON ( 1008 = OFF ) And RES 1009 = ON ( 1009 = OFF ).

Step 3 : Output PLC
a.If 0000 = ON And 1001 = ON Then 0500 = ON.
b.If 0000 = ON And 1007 = ON Then 0501 = ON.
c.If 0000 = ON And 1004 = ON Then 0502 = ON.
d.If 0000 = ON And 1001 = ON Or 1004 = ON Or 1007 = ON Then 0503 = ON.
e.If 0000 = ON And 1001 = ON Or 1007 = ON Then 0504= ON.
f.If 0000 = ON And 1004 = ON Then 0505 = ON.

Please Download Programming for SYSWIN :
PLC Omron Programming for Process Automation For Water Treatment


See : Process Automation For Water Treatment With PLC


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